Online co-op Wargame games

Every online co-op Wargame game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 101–110 of 184 games matching Wargame · updated 12 Oct 2026

Filters: Wargame × Clear all
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
77% of 269

Eyes of War is a real-time strategy game set in the medieval era, offering both single-player and multiplayer experiences where you can control every unit in character mode. Build your castle, lead your army, and dominate the map. Eyes of War invites you to epic battles of the medieval era!

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
85% of 638

In this Grand Strategy game, you take control of the Solar System's Great Powers in 2092 and weather the storm of change as you navigate the uncertain waters of the future. Control the greatest military forces in the world and wage wars on an epic scale: outer space is yours to conquer!

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
76% of 437

Warlords Under Siege is a mix of RTS and Roguelike genre, where you build a small city and defend it against continuous waves of enemies. Improve your assortment of weapons with each playthrough, unlocking new possibilities to beat the ever-increasing threat.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
69% of 204

In a post-apocalyptic world submerged by the sea, the wake of the enemy is apparent at every turn. From turning the tides of naval warfare to dominating the skies in break-neck aerial combat, every decision you make will change the outcome of the battle.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
79% of 43

Square Wars is a rogue-lite square-conquering game featuring real-time strategy, resource gathering, survival, and card-based gameplay mechanics. 🌍 Randomly generated maps make each game unique. Join the adventure solo, in local co-op with a friend, or online! 🎮🔥

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 1

Take your role as protector and defend your assets from enemy squadrons or engage in devastation as the attacker. Fly with the best Paper Plane pilots in the world in hand crafted parks with an abundance of enemies to destroy. Paper Planes is an Arcade team-flightsim, base defender and battleroyale.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–3 players
Reviews
85% of 21

Three Kingdoms Cavalry Charge is a game that combines the historical theme of the Three Kingdoms with strategic elements. The game features a connected large-scale map design, supporting national wars with up to ten thousand players on the same map.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
67% of 302

EXFIL delivers raw tactical FPS intensity with no distractions. No loot grinding, no gimmicks, just pure realism. EXFIL tests your strategy, comms, and teamwork in high-stakes tactical engagements. Will your squad rise to the challenge?

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
26% of 209

The next major game in the Planetary Annihilation universe, Industrial Annihilation combines the iconic real-time strategy of the beloved Annihilation games with deep factory-building to deliver a blend of genres unlike any you’ve experienced before.